
SMC's CQS clean room, compact air cylinder has 4 bore sizes. Standard strokes range from 5 to 50mm. 10/11-C(D)QS series, available for clean environment, prevents particle generation in a clean room. 21/22-C(D)QS series offers the same structure as the clean series, and are for the environment in which the use of copper, fluorine and silicon are restricted. The 
-25D Model C D Mounting bolt CDQSB20-30D CDQSB20-35D CDQSB20-40D CDQSB20-45D CDQSB20-50D CDQSB20-75DC CDQSB20-100DC CDQSB20-125DC CDQSB20-150DC CDQSB20-175DC CDQSB20-200DC CDQSB25-5D CDQSB20-10D CDQSB20-15D CDQSB20-20D CDQSB20-25D CDQSB20-30D CDQSB20-35D CDQSB20-40D CDQSB20-45D CDQSB20-50D CDQSB20-75DC CDQSB20-100DC CDQSB20-125DC CDQSB20-150DC CDQSB20-175DC CDQSB20-200DC CDQSB20-250DC CDQSB20
Straight type V Elbow type Fitting size One-touch fittings for regulator Straight V 2.5 3 6.5 Elbow W 6 6.5 6 Elbow X 11 11 11.5 Elbow Y 35.5 36 38.5 4, 5/32 6 1/4 8, 5/16 W X Y Note) The O-ring is attached.
Copper, fluorine and silicone-free + Low particulate generation Action 21 22 Relief type Vacuum suction type D Double acting Rod end thread Nil M Standard (Rod end female thread) Rod end male thread Model Model Bore size (mm) Port size Relief port Action Standard stroke (mm) 10-/21-CQSB12 10-/21-CQSB16 10-/21-CQSB20 10-/21-CQSB25 11-/22-CQSB12 11-/22-CQSB16 11-/22-CQSB20 11-/22-CQSB25 12